Skip double prong-set opal titanium navel curve images slider SKU: Double Prong-Set Opal Titanium Navel Curve Sign-up to see price This 14g, 7/16" titanium navel curve features 5mm/8mm prong set opals. Product Details: Material: Titanium 6Al-4V-Eli ASTM: F-136 Gauge: 14g (~1.6mm) Length: 7/16" (~11mm) Opal Sizes: 5mm/8mm Threading: Internal 1.2mm 17 opal color options 13 anodized color options